/* * File : board.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2006-2017, RT-Thread Development Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2017-09-19 Quintin.Z the first version */ #include #include #include "sysinit.h" #include "board.h" #include "drv_uart.h" #include "nv32.h" #define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t *) 0xe000e010 ) #define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t *) 0xe000e014 ) #define portNVIC_INT_CTRL ( ( volatile uint32_t *) 0xe000ed04 ) #define portNVIC_SYSPRI2 ( ( volatile uint32_t *) 0xe000ed20 ) #define portNVIC_SYSTICK_CLK 0x00000004 #define portNVIC_SYSTICK_INT 0x00000002 #define portNVIC_SYSTICK_ENABLE 0x00000001 #define portNVIC_PENDSVSET 0x10000000 #define portMIN_INTERRUPT_PRIORITY ( 255UL ) #define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL ) #define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL ) #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #define NV32_SRAM_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit) #elif __ICCARM__ #pragma section="HEAP" #define NV32_SRAM_BEGIN (__segment_end("HEAP")) #else extern int __bss_end; #define NV32_SRAM_BEGIN (&__bss_end) #endif /******************************************************************************* * Function Name : assert_failed * Description : Reports the name of the source file and the source line number * where the assert error has occurred. * Input : - file: pointer to the source file name * - line: assert error line source number * Output : None * Return : None *******************************************************************************/ void assert_failed(uint8_t* file, uint32_t line) { rt_kprintf("\n\r Wrong parameter value detected on\r\n"); rt_kprintf(" file %s\r\n", file); rt_kprintf(" line %d\r\n", line); while (1) ; } /** * This is the timer interrupt service routine. * */ void SysTick_Handler(void) { /* enter interrupt */ rt_interrupt_enter(); rt_tick_increase(); /* leave interrupt */ rt_interrupt_leave(); } /** * This function will initial STM32 board. */ void rt_hw_board_init() { /* Configure the SysTick */ *(portNVIC_SYSTICK_LOAD) = ( 40000000 / RT_TICK_PER_SECOND ) - 1UL; *(portNVIC_SYSTICK_CTRL) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; rt_hw_uart_init(); /* Call components board initial (use INIT_BOARD_EXPORT()) */ #ifdef RT_USING_COMPONENTS_INIT rt_components_board_init(); #endif #ifdef RT_USING_CONSOLE rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #endif #ifdef RT_USING_HEAP rt_system_heap_init((void*)NV32_SRAM_BEGIN, (void*)NV32_SRAM_END); #endif } long cmd_reset(int argc, char** argv) { NVIC_SystemReset(); return 0; } FINSH_FUNCTION_EXPORT_ALIAS(cmd_reset, __cmd_reset, Reset Board.); /*@}*/